Finding the Fourth Proportional to 10,036.49, 13,851.82 and 5,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,036.49 : 13,851.82 = 5,786.72 : x
2. Step 2: Convert to fraction form
   10,036.49/13,851.82 = 5,786.72/x
3. Step 3: Cross multiply
   10,036.49x = 13,851.82 × 5,786.72
4. Step 4: Simplify right side
   10,036.49x = 80,156,520.10
5. Step 5: Solve for x
   x = 80,156,520.10/10,036.49
6. Step 6: Final answer
   x = 7,986.51